For many people, the embarrassment of having lice is almost as bad as the itching. In reality, lice are equal-opportunity bugs just looking for a little human blood. Hygiene has nothing to do with your likelihood of getting them although kids are more likely than adults to contract them because they have more frequent head-to-head contact with other kids. Of course, it’s alarming when your kid comes home with bugs in his hair, but don’t freak out, and don’t believe everything you hear. From how lice spreads to disinfecting your home, we’ve got the not-so-dirty truth.